#665997 Color
#665997 is rgb(102, 89, 151) in RGB, hsl(253, 26%, 47%) in HSL, and about cmyk(32%, 41%, 0%, 41%) in CMYK. It has no registered color name of its own — the closest is Amethyst (Crayola) (#64609A), very hard to tell apart at ΔE 4.6. White text is the more readable choice on this background.
#665997rgb(102, 89, 151)hsl(253, 26%, 47%)hsv(253, 41%, 59%)cmyk(32%, 41%, 0%, 41%)oklch(50.4% 0.097 292.2)lab(41.21% 16.64 -32.50)lch(41.21% 36.51 297.12)What #665997 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #665997, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#665997 Channel Values
How #665997 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 102 · G 89 · B 151 | 8-bit channels as sent to the display |
| HSL | H 253° · S 26% · L 47% | Easiest model for building lighter and darker variants |
| HSV | H 253° · S 41% · V 59% | Matches the picker in most design tools |
| CMYK | C 32% · M 41% · Y 0% · K 41% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.1:1 vs white · 3.44:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #665997 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #665997 in the contrast checker.
Colors That Go With #665997
Pairings derived from color-wheel relationships. The complementary color sits opposite #665997; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #665997
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #665997.
How #665997 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#665997#5B5B97#605A97#5E5E97#615C97#5C6464#60607B#626262Using #665997 in Code
Copy-ready declarations for the places this color usually ends up.
--color-665997: #665997;background-color: #665997;colors: { 'color-665997': '#665997' }Color(red: 0.400, green: 0.349, blue: 0.592)<color name="color_665997">#665997</color>fill="#665997"More Blue Colors
#665997 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#665997 Frequently Asked Questions
What color is #665997?
#665997 is a mid-tone blue — rgb(102, 89, 151) in RGB and hsl(253, 26%, 47%) in HSL. It carries no registered color name of its own; the closest named color is Amethyst (Crayola) (#64609A), which is very hard to tell apart at a CIE76 distance of 4.6.
What is the RGB value of #665997?
#665997 is rgb(102, 89, 151) — red 102, green 89, and blue 151 on the 0-255 scale.
What is the CMYK value of #665997?
#665997 converts to approximately cmyk(32%, 41%, 0%, 41%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #665997 be black or white?
White text is the more readable choice. #665997 scores 6.1:1 against white and 3.44:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #665997 as a CSS color keyword?
No. #665997 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslateblue (#483D8B) at a CIE76 distance of 15.72, which is visibly different.
Open #665997 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.